40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
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ID Date Author Type Category Subject Text Attachments
  3378   Fri Aug 6 17:47:36 2010 steveSummaryGeneralcranes load tested at 1998 lbs


   
        
            
 0.9ton.PDFP1060523.JPGP1060532.JPGP1060541.JPG 
  3377   Fri Aug 6 16:20:08 2010 ranaUpdateGeneralclocks still not locked fully - phase shifted I tried to get the clocks to be closer
to 90 deg for the relative phase by adding
some cable length to one of the lines, but
 Untitled.pdf 
  3376   Fri Aug 6 15:50:29 2010 GopalUpdateOptic Stacks(Much Better Looking) Displacement-Displacment Transfer FunctionsI reran
the FDA in COMSOL on the MC1/MC3 Stack and
produced the following Displacement-Displacement
 MC1_MC3_XTrans.pngMC1_MC3_YTrans.pngMC1_MC3_ZTrans.png 
  3375   Fri Aug 6 12:44:29 2010 KojiUpdateIOOMC data taking over the weekendQuestion:
Do you like to keep the WFS turned
on? 
  
  3374   Fri Aug 6 12:33:10 2010 KojiUpdateIOOMode Cleaner WFS


   
        
            
  
  3373   Fri Aug 6 12:22:04 2010 JenneUpdateIOOMC data taking over the weekendNancy has the Mode Cleaner for her work
for the night, and is going to leave the
MC happy, locked, autolocker on, WFS enabled,
  
  3372   Fri Aug 6 10:44:55 2010 nancy, kojiUpdateIOOMode Cleaner WFS

    
        
  
  3371   Fri Aug 6 08:09:15 2010 steveUpdatePSLPSL preparation work


   
        
            
  
  3370   Thu Aug 5 22:36:11 2010 KojiUpdatePSLPSL preparation workPSL preparation work

  
  3369   Thu Aug 5 17:59:23 2010 KojiUpdatePSLCable removal from the control room[Alberto, Kiwamu, and Koji]
We removed the BNC cables from the
control room. 
 IMG_2684.jpg 
  3368   Thu Aug 5 16:18:37 2010 AlastairUpdateGeneralclocks still not locked fully - hut removedThe rubidium clocks are still not quite
locked together, though it is clear that
the beat frequency has dropped a lot since
  
  3367   Thu Aug 5 13:05:53 2010 KojiUpdateIOOMode Cleaner WFSUpon Nancy's request, I checked the status
of the suspensions.
I found that the power strip of the
  
  3366   Thu Aug 5 11:48:52 2010 nancyUpdateIOOMode Cleaner WFS

    
        
  
  3365   Thu Aug 5 01:29:39 2010 nancyUpdateIOOMode Cleaner WFS 
I calculated the MC1&3 Vs WFS1&2
Output Matrix today from the above measurements
  
  3364   Thu Aug 5 00:17:41 2010 KojiUpdatePSLPSL preparation workWe start the work on the cables at around
the PSL table.
  
  3363   Wed Aug 4 20:58:22 2010 GopalUpdateWIKI-40M Update7.28.10 - 8.4.10 Weekly UpdateSummary
of this week's activities:
  
  3362   Wed Aug 4 20:15:07 2010 JenneUpdatePEMYay! Guralps work again!After much hassle, the Guralp cable from
the ADC Out of the breakout box to the ADC
is fixed, and 
  
  3361   Wed Aug 4 19:50:58 2010 ranaConfigurationElectronicsRubidium clocks too hot: hut removedAlastair found that the foam hut that he
and Jan put on top of the Rb clocks to temperature
stabilize them was too good of an insulator.
 beat.png 
  3360   Wed Aug 4 16:52:59 2010 Razib, AidanUpdatePhase CameraSideband power measurement (updated)Aidan and I made some attempt to measure
the power of the sidebands so that we can
calculate our expected signal strength.
 Setup_08_04_2010.jpgpower_40MHz.pngpower_25MHz.png 
  3358   Wed Aug 4 12:49:42 2010 nancyUpdateIOOMode Cleaner WFS

    
        
 6x 
  3357   Wed Aug 4 11:10:28 2010 nancyUpdateIOOMode Cleaner WFSYesterday, I started twiddling with the
Mode Cleaner at about 2 pm.
  
  3356   Wed Aug 4 03:01:56 2010 JenneUpdatePEMCatastrophic Cable Failures


   
        
            
  
  3355   Wed Aug 4 01:44:56 2010 KojiConfigurationPEMAccelerometer located on and below the PSL table[Jenne and Koji] 
In order to characterize the seismic vibration
 IMG_2675.jpgIMG_2678.jpgIMG_2682.jpg 
  3354   Tue Aug 3 11:50:16 2010 JenneUpdatePEMSeismometer Problem Tracked downAfter some cable swapping this morning,
I have determined which cable is bad. 
It's the Gur1 cable between the seismometer
  
  3353   Tue Aug 3 11:17:10 2010 kiwamuUpdateCDSDiagrams for Cables needed for CDS testCurrent Wiring Setup for the Suspension
Controls
 sus_wiring.pngsus_new_wiring.pngsus_missing_stuff.png 
  3352   Tue Aug 3 03:15:06 2010 nancyUpdateIOOMC back to locked modeI turned the WFS gain to 0.02 back, and
the MC is locked, the data for the seismic
motion might be meaningful nowforth.
  
  3351   Tue Aug 3 01:51:01 2010 JenneUpdatePEMSeismometer Update: Still not good, but perhaps getting better


   
        
            
  
  3350   Mon Aug 2 21:52:57 2010 KojiUpdateIOOMC is running at the full power[Nancy and Koji]
We restored the full power operation
of the MC.
  
  3349   Mon Aug 2 18:02:46 2010 JenneUpdatePEMSeismometer Update: Still not good, but perhpas getting betterToday's seismometer diagnosis activities
are still underway, this is just an update
(since I did some reboots):
  
  3348   Mon Aug 2 17:12:28 2010 KojiUpdateGeneralLab schedule for the week of Aug. 2Aug
2 Mon - 5 Thu WFS work (Nancy)
 PSL_work_schedule.pdf 
  3347   Mon Aug 2 10:26:15 2010 steveConfigurationVACvery slow pumpdown completed


   
        
            
 veryslowpd.jpg 
  3346   Sun Aug 1 21:40:27 2010 ranaSummaryPSLFSS: SLOWDC responseI bet you thought that the NPRO slow actuator
response could be well represented by a pole
at ~0.1 Hz? Well, that's just what they want
 Untitled.png 
  3345   Sun Aug 1 21:04:45 2010 ranaSummaryComputer Scripts / ProgramsMC Autolocker fixedSomeone had left a typo in the MC autolocker
script recently while trying to set the lock
threshold to 0.09. As a result, the autlocker
  
  3344   Sun Aug 1 18:50:35 2010 KojiUpdateVACP1 = 0.48 torrI resumed the pumping today. Now the pressure
is 0.48 torr. The pump was stopped.

  
  3343   Sat Jul 31 22:35:01 2010 KojiUpdateVACVac-P1 still 1.2mtorrI resumed the pumping from 19:00.
Now the valve RV1 is full open. But
the pumping is really slow as we are using
  
  3342   Sat Jul 31 17:37:36 2010 josephbUpdateCDSCables needed for CDS testLast Thursday, Kiwamu and I went through
the cabling necessary for a full damping
test of the vertex optics controled by the
  
  3341   Sat Jul 31 14:59:33 2010 kiwamuUpdateVACRe: How to stop and start slow pumpdownI stopped the pumping at 14:50 pm
because I was going back home. I did the
  
  3340   Sat Jul 31 10:12:05 2010 kiwamuUpdateVACRe: How to stop and start slow pumpdownI resumed the pumping down. It started
from 9:55 am.
  
  3339   Sat Jul 31 04:03:11 2010 GopalSummaryOptic StacksComplete Displacement Translational Transfer Function MatrixOver the past 36 hours, I've run full-fledged
FDAs on KALLO.
 Progress_Report_2.png 
  3338   Fri Jul 30 22:07:42 2010 KojiHowToVACHow to stop and start slow pumpdownKiwamu and Koji
The rough pumping was stopped at
230mmTorr. We are going to resume the pumping
  
  3337   Fri Jul 30 19:20:15 2010 AlastairConfigurationGeneralJacket

    
        
  
  3336   Fri Jul 30 17:54:55 2010 steveHowToVACHow to stop and start slow pumpdown


   
        
            
  
  3335   Fri Jul 30 17:52:12 2010 KojiConfigurationGeneralJacketJenne and I need our jackets. We removed
them from the Rb clock.
Thanks for making them warm. Probably
  
  3334   Fri Jul 30 17:24:22 2010 JenneUpdatePEMGuralps back in the 40mI brought the GUR2 seismometer back from
Bridge so I can get some more MC/Seismic
data during the next week while we're pumped
  
  3333   Fri Jul 30 14:53:09 2010 steveUpdateGeneralPSL table leg upgrade


   
        
            
 psllegs.PDF 
  3332   Fri Jul 30 12:46:38 2010 KojiConfiguration40m UpgradingBS chamber status   BS_layout_Jul_29_2010.png 
  3331   Fri Jul 30 09:55:34 2010 steveConfigurationVACslow pumpdown has startedBob and Steve closed BS chamber with the
help of the manual Genie lift and the pump
down started. The PSL shutter was closed
 slowpd5hr.jpg 
  3330   Fri Jul 30 09:51:58 2010 kiwamuUpdateGreen LockingRe: waist positon of Gaussian beam in PPKTP crystalsOkay, I guess I understand what you want
to know. I did the following steps.
1. calculated the conversion efficiency
 efficiency_waist_edit.pngPPKTPmode.pngPSL_doubling.pngmode_in_PPKTP.png 
  3329   Fri Jul 30 02:54:04 2010 KojiUpdate40m UpgradingMore optics installed on the BS tableJuly 29 Thu [Steve, Alberto, Kiwamu,
Koji]
We
  
  3328   Fri Jul 30 00:02:15 2010 DmassUpdateGreen Lockingwaist positon of Gaussian beam in PPKTP crystals


   
        
            
  
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